Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 6°F | 25°F | 15°F | 6.8" |
February | 10°F | 31°F | 20°F | 2.6" |
March | 22°F | 45°F | 33°F | 1.9" |
April | 34°F | 59°F | 46°F | 2.3" |
May | 45°F | 70°F | 57°F | 4.2" |
June | 56°F | 80°F | 68°F | 5.5" |
July | 60°F | 84°F | 72°F | 3.6" |
August | 57°F | 81°F | 69°F | 3.9" |
September | 49°F | 75°F | 61°F | 2.2" |
October | 36°F | 61°F | 48°F | 2.5" |
November | 24°F | 46°F | 34°F | 1.2" |
December | 10°F | 28°F | 19°F | 3.4" |
Index | Brant Lake | South Dakota | National |
Air quality index | 42 | 36 | 42 |
Pollution index | 2,464,570 | 345,623 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 284 |
Days with moderate air quality | 76 |
Days w/ poor A.Q. for sensitive groups | 5 |
Days with unhealthy air quality | 0 |
Pollutant | Total |
Arsenic | 0.000% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.010% |
Lead | 0.020% |
Mercury | 0.001% |
City | Population | Air Quality Index | National Avg. |
Dell Rapids, SD | 3,678 | 36 | 28.0% |
Trent, SD | 301 | 36 | 28.0% |
Chester, SD | 285 | 36 | 28.0% |
Baltic, SD | 1,169 | 36 | 28.0% |
Colton, SD | 754 | 36 | 28.0% |
Brant Lake, SD | 66 | 42 | 16.0% |
City | Population | Air Quality Index | National Avg. |
Ali Molina, AZ | 66 | 47 | 6.0% |
Agenda, KS | 66 | 32 | 36.0% |
Roseland, KS | 66 | 37 | 26.0% |
Burna, KY | 66 | 44 | 12.0% |
Sunburg, MN | 66 | 32 | 36.0% |
Brant Lake, SD | 66 | 42 | 16.0% |